<template>
  <!-- 新增部门的弹层 -->
  <el-dialog title="新增部门" :visible.sync="dialogOpen">
    <!-- 表单组件  el-form   label-width设置label的宽度   -->
    <!-- 匿名插槽 -->
    <el-form label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="部门名称" prop="name">
        <el-input
          v-model="formData.name"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input
          v-model="formData.code"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select
          v-model="formData.manager"
          style="width: 80%"
          placeholder="请选择"
        />
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input
          v-model="formData.introduce"
          style="width: 80%"
          placeholder="1-300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
    </el-form>
    <!-- el-dialog有专门放置底部操作栏的 插槽  具名插槽 -->
    <el-row slot="footer" type="flex" justify="center">
      <!-- 列被分为24 -->
      <el-col :span="6">
        <el-button type="primary" size="small">确定</el-button>
        <el-button
          size="small"
          @click="$emit('update:showDialog', false)"
        >取消</el-button>
      </el-col>
    </el-row>
  </el-dialog>
</template>

<script>
import { getDepartments } from '@/api/departments.js'
import eventBus from '@/utils/eventBus.js'
export default {
  props: {
    showDialog: {
      type: Boolean,
      required: true
    }
    // treeNode: {
    //   type: Object,
    //   required: true
    // }
  },
  data() {
    const checkName = async(rule, value, callback) => {
      const { depts } = await getDepartments()
      // 过滤list得到当前treeNode的children
      const isReapt = depts
        .filter((item) => item.pid === this.treeNode.id)
        .some((item) => item.name === value)
      isReapt ? callback(new Error('输入的名称与子节点重复了')) : callback()
    }
    // 检查编码重复
    const checkCodeRepeat = async(rule, value, callback) => {
      // 先要获取最新的组织架构数据
      const { depts } = await getDepartments()
      const isRepeat = depts.some((item) => item.code === value && value) // 这里加一个 value不为空 因为我们的部门有可能没有code
      isRepeat
        ? callback(new Error(`组织架构中已经有部门使用${value}编码`))
        : callback()
    }

    return {
      dialogOpen: false,
      treeNode: {},
      formData: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      // 定义校验规则
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '部门名称要求1-50个字符',
            trigger: 'blur'
          },
          { validator: checkName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '部门编码要求1-50个字符',
            trigger: 'blur'
          },
          { validator: checkCodeRepeat, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          {
            trigger: 'blur',
            min: 1,
            max: 300,
            message: '部门介绍要求1-50个字符'
          }
        ]
      }
    }
  },
  watch: {
    dialogOpen(val) {
      this.$emit('update:showDialog', val)
    },
    showDialog: {
      handler: function(val) {
        this.dialogOpen = val
      },
      immediate: true
    }
  },
  created() {
    eventBus.$on('passTreeNode', val => {
      this.treeNode = val
      console.log(this.treeNode)
    })
  }
}
</script>

<style>
</style>
